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kube-arangodb/pkg/apis/shared/validate.go
2022-03-28 15:53:58 +02:00

56 lines
1.6 KiB
Go

//
// DISCLAIMER
//
// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package shared
import (
"regexp"
"github.com/arangodb/kube-arangodb/pkg/util/errors"
)
var (
resourceNameRE = regexp.MustCompile(`^([0-9\-\.a-z])+$`)
)
// ValidateResourceName validates a kubernetes resource name.
// If not valid, an error is returned.
// See https://kubernetes.io/docs/concepts/overview/working-with-objects/names/
func ValidateResourceName(name string) error {
if len(name) > 253 {
return errors.WithStack(errors.Newf("Name '%s' is too long", name))
}
if resourceNameRE.MatchString(name) {
return nil
}
return errors.WithStack(errors.Newf("Name '%s' is not a valid resource name", name))
}
// ValidateOptionalResourceName validates a kubernetes resource name.
// If not empty and not valid, an error is returned.
func ValidateOptionalResourceName(name string) error {
if name == "" {
return nil
}
if err := ValidateResourceName(name); err != nil {
return errors.WithStack(err)
}
return nil
}